<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<script>
			function changeTitle(){
				window.document.title="window document演示";
				alert(document.lastModified);
				alert(document.referrer);
			}
		</script>
	</head>
	<body>
		<input type="button" value="改变Title" onclick="changeTitle()">
		<input type="text">
		<input type="text">
		<input type="text">
	</body>
</html>
